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Science/Math

Acceleration Equivalents

Enables you to convert between nine units of acceleration. [New URL]
http://www.math.com/students/converters/source/acceleratn.htm

Angular Acceleration

Convert to and from various units.
http://www.calculator.org/properties/angular_acceleration.prop

Angular Velocity

Convert to and from various units.
http://www.calculator.org/properties/angular_velocity.prop

Area Equivalents

Convert area measures from one square unit to another. [New URL]
http://www.math.com/students/converters/source/area.htm

Biopolymer Calculator

Calculate the molecular weight, the extinction coefficient, the concentration, and the melting temperature of a single stranded nucleic acid. Additionally, you can enter a protein sequence and calculate the molecular weight (using average isotopic mass), extinction coefficient, the concentration, and the formal charge. For both sets, either nucleotide or amino acid composition and percentages are calculated.
http://paris.chem.yale.edu/extinct.html

The Body Height/Weight Converter

Converts body height and body weight from English to metric units or from metric to English units. [New URL]
http://www.albireo.ch/bodyconverter/

Body Surface Area Calculator

A form which allows you to calculate an adult's Body Surface Area (BSA), based on height and weight.
http://www.ultradrive.com/bsac.htm

Capacitance

Convert to and from various units.
http://www.calculator.org/properties/capacitance.prop

Capacity and Volume

Convert between metric, U.S. liquid and dry measures, British Imperial liquid and dry measures, Old Russian liquid and dry measures, and cooking measures. Just enter the amount you know and then click in any other box to see all the conversions.
http://chipdoc.com/Converters/capacity.html

Circular Measure Conversion

Enter either the circumference, radian, degree, grade or nautical rhumb to find the other four.
http://www.convert-me.com/en/convert/circular

Compressible Aerodynamics Calculator

Computes the standard relations for compressible flow of a perfect gas.
http://www.aoe.vt.edu/aoe3114/calc.html

Computer Storage Conversion

Converts between bits, bytes, megabytes and seven other computer data storage units.
http://www.convert-me.com/en/convert/computer

Conversion Page

Use this page to convert to and from U.S. fluid to metric measures and U.S. dry to metric measures.
http://hbd.org/brewery/cm3/recs/convert.html

Conversion of Units

Convert to and from over 500 different units.
http://www.chemie.fu-berlin.de/chemistry/general/units_en.html

Dendritics -- Units Calculator

Convert weight between grams, carats, pennyweights, ounces.
http://dendritics.com/scales/units-calc.asp

Density Altitude Calculator

This calculator shows you how much the air conditions on any given day will alter the density of the air. Enter the altitude, temperature, altimeter setting and humidity, then click the calculate button. [New URL]
http://wahiduddin.net/calc/calc_da_rh.htm

Energy/Work Equivalents

This site gives you nine choices of units of energy/work to convert to and from. [New URL]
http://www.math.com/students/converters/source/energy.htm

Fruit Conversions

Apples and oranges.
http://www.sciencemadesimple.net/fruit.html

Geometric Calculators

A trio of calculators to help you determine the circumference and radius of a circle, the surface area and volume of a cone, and the surface area and volume of a sphere.
http://www.dropbears.com/u/utilities/geometric.htm

Graphing Vector Calculator

Learn about vectors and vector operations by sketching and playing with them.
http://www.frontiernet.net/~imaging/vector_calculator.html

Heat Index Converter

This calculator will take your air temperature and relative humidity and calculate the heat index.
http://www.srh.noaa.gov/elp/wxcalc/heatindex.html

Ideal Gas Law Calculator

Solve for pressure, volume, moles or temperature.
http://www-tech.mit.edu/Chemicool/idealgas.html

Illuminance Conversions

Convert between seven units of illuminance.
http://www.calculator.org/properties/illuminance.prop

Inductance Conversions

Convert between seven units of inductance.
http://www.calculator.org/properties/inductance.prop

Inverse Symbolic Calculator

A set of programs and specialized tables of mathematical constants dedicated to the identification of real numbers. It also serves as a way to produce identities with functions and real numbers.
http://www.cecm.sfu.ca/projects/ISC/

Jumpin' Jehosaphat, the Counting Sheep

Give Jehosaphat a simple math problem to solve and she'll jump the answer!
http://www.dodds1.com/Java/Jj.html

Length Conversions

Convert lengths between twenty-five different units of measurement.
http://www.wforum.com/online/length.htm

Luminance Conversions

Convert between five different luminance units of measure.
http://www.calculator.org/properties/luminance.prop

Magnetic Flux Conversions

Convert between three different units of magnetic flux.
http://www.calculator.org/properties/magnetic_flux.prop

Mass Conversions

Convert between forty-seven different units of measurement.
http://www.calculator.org/properties/mass.prop

MegaCalculator

More than forty calculators in one, with links to dozens more.
http://www.megaconverter.com/mega2/

Metric Conversion in Javascript

World Wide Metric presents four calculators to convert to and from metric. There's one each for length, weight, pressure and volume.
http://www.worldwidemetric.com/metcal.htm

Metrology Equivalents

Convert to and from eight units of metrology.
http://www.microimg.com/science/metrology_equiv.html

Percent Calculator

Helps you figure out percentages easily.
http://www.onlineconversion.com/percentcalc.htm

Power Conversions

Convert to and from eight units of power.
http://www.zephyr.org/power.html

Prime Number Calculator

Easily determine if a number is prime or not.
http://www.onlineconversion.com/prime.htm

Specific Heat Conversions

Convert to and from three units of specific heat. [New URL]
http://www.electro-optical.com/unitconv/convertcalcs/thermal/specific-heat.htm

Temperature Conversion Calculator

Convert a temperature to and from Celsius, Fahrenheit, Réamur, Kelvin and
rankine. [New URL]
http://chemistry.berkeley.edu/links/temperature.html

Thermal Conductivity Conversions

Convert to and from nine units of thermal conductivity.
http://www.calculator.org/properties/thermal_conductivity.prop

Time Conversions

Convert to and from fourteen units of time.
http://www.onlineconversion.com/time.htm

Torque Conversions

Convert to and from five units of torque.
http://www.onlineconversion.com/torque.htm

U.S. Fluid or Liquid Equivalents

Convert between eight different units.
http://www.microimg.com/science/USfluid_equiv.html

Velocity Conversions

Convert to and from twenty-nine units of velocity.
http://www.calculator.org/properties/velocity.prop

Volume Conversions

Convert to and from seventy-six units of volume.
http://www.calculator.org/properties/volume.prop

The Weather Calculator

The El Paso National Weather Service Office's weather calculator features temperature, moisture, pressure and wind unit conversions for 16 different weather-related variables.
http://www.srh.noaa.gov/elp/wxcalc/wxcalc.shtml

WebMath: Instant Solutions to your Math Problems

This is a site with calculators that will help you solve a huge variety of math problems from everyday simple problems (figuring a tip; the sale price of an item) to word problems, converting fractions to decimals, as well as help with trigonomy and calculus problems.
http://school.discovery.com/homeworkhelp/webmath/

Weight Conversion

Several tools for converting units of weight and mass.
http://www.onlineconversion.com/weight.htm

Wind Chill Calculator

Fill in the temperature and wind speed, then click Calculate.
http://leav-www.army.mil/weather/Windchil.htm

Wind Shade Calculator

This calculator shows the shelter effect (wind shade) of blunt obstacles (buildings, trees) in any 30 degree sector near a wind turbine. [New URL]
http://www.windpower.org/en/tour/wres/shelter/index.htm

Comments, additions, updates?
Email me at: [email protected]